///*
// * $Header: /home/cvs/jakarta-tomcat/src/j2ee/org/apache/tomcat/util/XMLParser.java,v 1.3 2000/05/31 21:15:34 costin Exp $
// * $Revision: 1.3 $
// * $Date: 2000/05/31 21:15:34 $
// *
// * ====================================================================
// *
// * The Apache Software License, Version 1.1
// *
// * Copyright (c) 1999 The Apache Software Foundation.  All rights
// * reserved.
// *
// * Redistribution and use in source and binary forms, with or without
// * modification, are permitted provided that the following conditions
// * are met:
// *
// * 1. Redistributions of source code must retain the above copyright
// *    notice, this list of conditions and the following disclaimer.
// *
// * 2. Redistributions in binary form must reproduce the above copyright
// *    notice, this list of conditions and the following disclaimer in
// *    the documentation and/or other materials provided with the
// *    distribution.
// *
// * 3. The end-user documentation included with the redistribution, if
// *    any, must include the following acknowlegement:
// *       "This product includes software developed by the
// *        Apache Software Foundation (http://www.apache.org/)."
// *    Alternately, this acknowlegement may appear in the software itself,
// *    if and wherever such third-party acknowlegements normally appear.
// *
// * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
// *    Foundation" must not be used to endorse or promote products derived
// *    from this software without prior written permission. For written
// *    permission, please contact apache@apache.org.
// *
// * 5. Products derived from this software may not be called "Apache"
// *    nor may "Apache" appear in their names without prior written
// *    permission of the Apache Group.
// *
// * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
// * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
// * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
// * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
// * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
// * SUCH DAMAGE.
// * ====================================================================
// *
// * This software consists of voluntary contributions made by many
// * individuals on behalf of the Apache Software Foundation.  For more
// * information on the Apache Software Foundation, please see
// * <http://www.apache.org/>.
// *
// * [Additional notices, if required by prior licensing conditions]
// *
// */
//
//
//package org.apache.tomcat.util;
//
//import com.sun.xml.tree.XmlDocument;
//import com.sun.xml.tree.ElementNode;
//import com.sun.xml.tree.XmlDocumentBuilder;
//import com.sun.xml.parser.Resolver;
//import com.sun.xml.parser.ValidatingParser;
//import com.sun.xml.parser.Parser;
//import org.xml.sax.InputSource;
//import org.xml.sax.SAXException;
//import org.xml.sax.SAXParseException;
//import org.w3c.dom.Element;
//import org.w3c.dom.Text;
//import org.w3c.dom.CharacterData;
//import org.w3c.dom.NodeList;
//import org.w3c.dom.Node;
//import org.w3c.dom.NamedNodeMap;
//import java.io.File;
//import java.io.InputStream;
//import java.io.OutputStream;
//import java.net.URL;
//import java.util.Enumeration;
//import java.util.Vector;
//import java.io.IOException;
//import java.lang.NullPointerException;
//
///**
// *
// * @author James Todd [gonzo@eng.sun.com]
// */
//
//public class XMLParser {
//    public static final String WEB_XML_PublicId =
//	"-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN";
//    public static final String WEB_XML_Resource =
//	"/org/apache/tomcat/deployment/web.dtd";
//
//    private XmlDocument doc = null;
//    private static final boolean DefaultCheckType = false;
//    private static final String DefaultContentType =
//        "text/html;charset=utf-8";
//    private static final String DefaultScheme = "file";
//    private static final boolean DefaultXMLValidate = true;
//    private static final int PCDataType = 3;
//
//    public XMLParser() {
//    }
//
//    public void clear() {
//        doc = null;
//    }
//
//    public XMLTree process(InputStream is)
//    throws IOException, SAXParseException, SAXException {
//        return process(is, DefaultCheckType, DefaultContentType,
//	    DefaultScheme);
//    }
//
//    public XMLTree process(InputStream is, boolean checkType)
//    throws IOException, SAXParseException, SAXException {
//        return process(is, checkType, DefaultContentType, DefaultScheme);
//    }
//
//    public XMLTree process(InputStream is, boolean checkType,
//        String contentType)
//    throws IOException, SAXParseException, SAXException {
//        return process(is, checkType, contentType, DefaultScheme);
//    }
//
//    public XMLTree process(InputStream is, boolean checkType,
//        String contentType, String scheme)
//    throws IOException, SAXParseException, SAXException {
//        return parse(Resolver.createInputSource(contentType, is,
//            checkType, scheme), checkType);
//    }
//
//    public XMLTree process(URL uri)
//    throws IOException, SAXParseException, SAXException {
//        return process(uri, DefaultCheckType);
//    }
//
//    public XMLTree process(URL uri, boolean checkType)
//    throws IOException, SAXParseException, SAXException {
//        return parse(new InputSource(uri.toString()), checkType);
//    }
//
//    public XmlDocument getXmlDocument() {
//        return doc;
//    }
//
//    public void write()
//    throws IOException {
//        write(null);
//    }
//
//    public void write(OutputStream os)
//    throws IOException {
//        if (os == null) {
//            os = System.out;
//        }
//
//	doc.getDocumentElement().normalize();
//        doc.write(os);
//    }
//
//    private XMLTree parse(InputSource is)
//    throws IOException, SAXParseException, SAXException {
//        return parse(is, DefaultXMLValidate);
//    }
//
//    private XMLTree parse(InputSource is, boolean validate)
//    throws IOException, SAXParseException, SAXException {
//        Parser parser = (validate) ?
//	    new ValidatingParser(true) : new Parser();
//	Resolver resolver = new Resolver();
//	XmlDocumentBuilder builder = new XmlDocumentBuilder();
//	// Server.xml is not validated and has no DTD ( and will change for a while)
//	// 	URL serverURL = this.getClass().getResource(
//	//             Constants.DTD.Server.Resource);
//	URL webApplicationURL = this.getClass().getResource(
//            WEB_XML_Resource);
//
//// 	resolver.registerCatalogEntry(Constants.DTD.Server.PublicId,
////             serverURL.toString());
//	resolver.registerCatalogEntry(
//	    WEB_XML_PublicId,
//	    webApplicationURL.toString());
//
//	try {
//	    // parser.setFastStandalone(true);
//	    parser.setEntityResolver(resolver);
//	    builder.setDisableNamespaces(true);
//	    builder.setParser(parser);
//	    parser.parse(is);
//
//	    doc = builder.getDocument();
//	} catch (Exception e) {
//	    String systemId = "";
//	    int lineNumber = -1;
//	    String message = "";
//	    String publicId = "";
//	    int columnNumber = -1;
//
//	    if (e instanceof SAXParseException) {
//	        systemId = ((SAXParseException)e).getSystemId();
//		lineNumber = ((SAXParseException)e).getLineNumber();
//		message = ((SAXParseException)e).getMessage();
//		publicId = ((SAXParseException)e).getPublicId();
//		columnNumber = ((SAXParseException)e).getColumnNumber();
//	    }
//
//	    String msg = "SAXParseException: " + systemId +
//	        " : " + lineNumber + "\n  msg : " + message;
//
//	    throw new SAXParseException(msg, publicId, systemId,
//	        lineNumber, columnNumber);
//	}
//
//	XMLTree xmlElement = new XMLTree();
//        Element element = doc.getDocumentElement();
//
//	xmlElement.setName(element.getTagName());
//	addAttributes(xmlElement, element);
//	addElements(xmlElement, element);
//
//        return xmlElement;
//    }
//
//    private void addAttributes(XMLTree xmlElement, Node node) {
//        NamedNodeMap attributes = node.getAttributes();
//
//        if (attributes != null) {
//	    for (int i = 0; i < attributes.getLength(); i++) {
//	        Node attribute = attributes.item(i);
//
//	        xmlElement.addAttribute(attribute.getNodeName(),
//                    attribute.getNodeValue());
//            }
//	}
//    }
//
//    private void addElements(XMLTree xmlElement, Node node) {
//        NodeList childNodes = node.getChildNodes();
//
//	for (int i = 0; i < childNodes.getLength(); i++) {
//	    XMLTree childXMLTree = new XMLTree();
//	    Node childNode = childNodes.item(i);
//
//	    childXMLTree.setName(childNode.getNodeName());
//	    addAttributes(childXMLTree, childNode);
//
//            if (childNode.getNodeType() != PCDataType) {
//	        addElements(childXMLTree, childNode);
//	        xmlElement.addElement(childXMLTree);
//            } else {
//                xmlElement.setValue(childNode.getNodeValue());
//            }
//	}
//    }
//}
